slow shutter speed is also used for light trails and light painting
light painting Image by Pedro Moura Pinheiro
Boost Your Photography: How to Photograph Traffic Light Trails
Light panting is long exposure photography where the lighting is ‘painted’…
Photograph Twistin' n Turnin' II by Mark Gvazdinskas on
Researchers have found a theoretical possibility that the speed of light may not be constant and it may change while interacting with the ephemeral particles in the vacuum.